M42 in Hydrogen alpha


Date: 11 Sept night, 2003

Telescope: Celestron 8 SCT with stabilized mirror, on Gemini G-41 mount

Guiding: ST-4 Autoguider with Celestron C80, 80mm F11 refractor piggybacked on C8.

Camera: Genesis KAF1602E with Astronomik H-alpha filter

Location: Tai Mei Tuk, Hong Kong

Exposure: 10mins

Software: Image acquisition by MaximDL, debloomed by Debloomer (Ron Wodaski) , and final brightness adjustment by Astroart